package com.gu.mapper;

import com.gu.entity.UcenterMember;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;

/**
 * @Entity com.gu.entity.UcenterMember
 */
@Mapper
public interface UcenterMemberMapper extends BaseMapper<UcenterMember> {

    //获取指定日期的登录人数：
    Integer getRegisterNums(@Param("dateTime")String dateTime);
}




